A polygon is said to be convex when no one of its angles is reflex.
An angle less than a right angle is said to be acute; one greater than a right angle but less than a straight angle is said to be obtuse; one greater than a straight angle but less than a perigon is said to be reflex or convex.
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reflex — [ reflɛks ] adj. et n. m. • 1922; mot angl. ♦ Se dit d un appareil de photo où la visée s effectue par un objectif (si c est le même objectif que pour la prise de vue, l image est renvoyée par un système de prismes). Appareil reflex. N. m. Des… … Encyclopédie Universelle
reflex — REFLÉX, Ă, reflecşi, xe, adj., s.n. I. adj. (fiziol.; despre acte sau mişcări ale organismului) Produs în mod spontan, independent de voinţă. ♢ Act reflex (şi substantivat, n.) = reacţie bruscă şi automată a organismului animal sau uman la o… … Dicționar Român
ReFLEX — is a wireless protocol developed by Motorola which is used for two way paging. The Motorola PageWriter released in 1996 was one of the first devices to use the ReFLEX network protocol.VersionsReFLEX is based on the one way FLEX protocol and… … Wikipedia
Reflex — Reflex, Renting Abierto Saltar a navegación, búsqueda … Wikipedia Español
Reflex — Re flex (r? fl?ks; formerly r?*fl?ks ), n. [L. reflexus a bending back. See {Reflect}.] 1. Reflection; the light reflected from an illuminated surface to one in shade. [1913 Webster] Yon gray is not the morning s eye, Tis but the pale reflex of… … The Collaborative International Dictionary of English
Reflex — Re flex (r? fl?ks), a. [L. reflexus, p. p. of reflectere: cf. F. r[ e]flexe. See {Reflect}.] 1. Directed back; attended by reflection; retroactive; introspective. [1913 Webster] The reflex act of the soul, or the turning of the intellectual eye… … The Collaborative International Dictionary of English
reflex — [rē′fleks΄; ] for v., also [ ri fleks′] n. [< L reflexus, reflected, pp. of reflectere: see REFLECT] 1. a) reflection, as of light b) light or color resulting from reflection 2. a reflected image, likeness, or reproduction 3 … English World dictionary
reflex — (n.) c.1500, reflection of light, from the verb meaning refract, deflect (late 14c.), from L.L. reflexus a bending back, properly pp. of reflectere (see REFLECTION (Cf. reflection)). Meaning involuntary nerve stimulation first recorded 1877, from … Etymology dictionary
réflex — (Del ingl. reflex). 1. adj. Dicho de una cámara fotográfica: Que tiene un visor para ver la misma imagen que saldrá en la fotografía. 2. f. Cámara fotográfica con este tipo de visor … Diccionario de la lengua española
reflex — ► NOUN 1) an action performed without conscious thought as a response to a stimulus. 2) a thing that reproduces the essential features or qualities of something else. 3) archaic a reflected source of light. ► ADJECTIVE 1) performed as a reflex.… … English terms dictionary
Reflex — Re*flex (r?*fl?ks ), v. t. [L. reflexus, p. p. of reflectere. See {Reflect}.] 1. To reflect. [Obs.] Shak. [1913 Webster] 2. To bend back; to turn back. J. Gregory. [1913 Webster] … The Collaborative International Dictionary of English
